//*-- Filter --*\\
.icono-filter{
    width: 0;
    height: 0;
    border: $U10 solid;
    border-bottom: none;
    border-left-color: transparent;
    border-right-color: transparent;
    padding: $U3;
    box-shadow: inset 0 $U7;
    margin: $U9 $U4;
}